/* style/index.css */

/* Biến CSS */
:root {
  --page-index-primary-color: #0A192F;
  --page-index-secondary-color: #FFD700;
  --page-index-text-light: #f0f0f0;
  --page-index-text-dark: #333333;
  --page-index-background-light: #ffffff;
  --page-index-background-dark: #1a2a3f;
  --page-index-border-color: #cccccc;
  --page-index-focus-color: #FFD700;
}

/* Cài đặt chung cho trang */
.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-index-text-dark);
  background-color: var(--page-index-background-light);
}

.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index__section-title {
  font-size: 2.5em;
  color: var(--page-index-primary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-index__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--page-index-secondary-color);
  border-radius: 2px;
}

.page-index__text-content {
  font-size: 1.1em;
  margin-bottom: 15px;
  color: var(--page-index-text-dark);
  text-align: justify;
}

.page-index__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.page-index__btn--primary {
  background-color: var(--page-index-secondary-color);
  color: var(--page-index-primary-color);
  border: 2px solid var(--page-index-secondary-color);
}

.page-index__btn--primary:hover {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-secondary-color);
  border-color: var(--page-index-secondary-color);
}

.page-index__btn--secondary {
  background-color: transparent;
  color: var(--page-index-primary-color);
  border: 2px solid var(--page-index-primary-color);
}

.page-index__btn--secondary:hover {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-secondary-color);
  border-color: var(--page-index-primary-color);
}

.page-index__btn--large {
  padding: 15px 35px;
  font-size: 1.2em;
}

.page-index__mt-20 {
  margin-top: 20px;
}

/* Hero Section */
.page-index__hero-section {
  background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #1c3350 100%);
  color: var(--page-index-text-light);
  padding: 80px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  min-height: 600px;
  position: relative;
  overflow: hidden;
}

.page-index__hero-content {
  max-width: 600px;
  text-align: center;
  z-index: 1;
  margin-bottom: 40px;
  padding: 0 20px;
}

.page-index__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--page-index-text-light);
}

.page-index__hero-description {
  font-size: 1.3em;
  margin-bottom: 30px;
  opacity: 0.9;
}

.page-index__hero-cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-index__hero-image-wrapper {
  flex-shrink: 0;
  margin-left: 50px;
  z-index: 1;
}

.page-index__hero-image {
  max-width: 500px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* About Happyluke Section */
.page-index__about-happyluke {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

/* Featured Sections */
.page-index__featured-sections {
  padding: 60px 0;
  background-color: #f8f8f8;
}

.page-index__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-index__card {
  background-color: var(--page-index-background-light);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.page-index__card-image {
  max-width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-index__card-title {
  font-size: 1.8em;
  color: var(--page-index-primary-color);
  margin-bottom: 15px;
}

.page-index__card-title a {
  color: var(--page-index-primary-color);
  text-decoration: none;
}

.page-index__card-title a:hover {
  color: var(--page-index-secondary-color);
}

.page-index__card-description {
  font-size: 1em;
  color: var(--page-index-text-dark);
  margin-bottom: 25px;
}

/* Latest News Section */
.page-index__latest-news {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

.page-index__news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-index__news-item {
  background-color: #fefefe;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.page-index__news-item:hover {
  transform: translateY(-5px);
}

.page-index__news-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.page-index__news-item h3 {
  padding: 15px 20px 0;
  font-size: 1.5em;
}

.page-index__news-item h3 a {
  color: var(--page-index-primary-color);
  text-decoration: none;
}

.page-index__news-item h3 a:hover {
  color: var(--page-index-secondary-color);
}

.page-index__news-excerpt {
  padding: 0 20px 15px;
  color: var(--page-index-text-dark);
  font-size: 0.95em;
}

.page-index__read-more {
  display: block;
  padding: 10px 20px 20px;
  color: var(--page-index-secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-index__read-more:hover {
  color: var(--page-index-primary-color);
}

/* CTA Section */
.page-index__cta-section {
  background: linear-gradient(90deg, var(--page-index-primary-color), #2a405b);
  padding: 80px 0;
  text-align: center;
  color: var(--page-index-text-light);
}

.page-index__cta-content {
  max-width: 800px;
}

.page-index__cta-title {
  font-size: 3em;
  margin-bottom: 20px;
  color: var(--page-index-text-light);
}

.page-index__cta-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  opacity: 0.9;
}

/* Detail Pages Section */
.page-index__detail-pages {
  padding: 60px 0;
  background-color: #f0f4f8;
}

.page-index__detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-index__detail-card {
  background-color: var(--page-index-background-light);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
}

.page-index__detail-title {
  font-size: 1.7em;
  color: var(--page-index-primary-color);
  margin-bottom: 15px;
}

.page-index__detail-title a {
  color: var(--page-index-primary-color);
  text-decoration: none;
}

.page-index__detail-title a:hover {
  color: var(--page-index-secondary-color);
}

.page-index__detail-description {
  font-size: 1em;
  color: var(--page-index-text-dark);
  margin-bottom: 25px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index__hero-section {
    flex-direction: column;
    padding: 60px 0;
  }

  .page-index__hero-image-wrapper {
    margin-left: 0;
    margin-top: 40px;
  }

  .page-index__hero-title {
    font-size: 2.8em;
  }

  .page-index__hero-description {
    font-size: 1.1em;
  }

  .page-index__section-title {
    font-size: 2em;
  }

  .page-index__cta-title {
    font-size: 2.5em;
  }
}

@media (max-width: 768px) {
  .page-index__hero-section {
    min-height: auto;
  }

  .page-index__hero-content {
    max-width: 100%;
    padding: 0 15px;
  }

  .page-index__hero-image {
    max-width: 90%;
  }

  .page-index__grid, .page-index__news-grid, .page-index__detail-grid {
    grid-template-columns: 1fr;
  }

  .page-index__card, .page-index__news-item, .page-index__detail-card {
    padding: 25px;
  }

  .page-index__section-title {
    font-size: 1.8em;
  }

  .page-index__cta-title {
    font-size: 2em;
  }

  .page-index__btn--large {
    font-size: 1.1em;
    padding: 12px 25px;
  }
}

@media (max-width: 480px) {
  .page-index__hero-title {
    font-size: 2.2em;
  }

  .page-index__hero-description {
    font-size: 1em;
  }

  .page-index__hero-cta-group {
    flex-direction: column;
    gap: 15px;
  }

  .page-index__btn {
    width: 100%;
  }

  .page-index__section-title {
    font-size: 1.6em;
  }

  .page-index__cta-title {
    font-size: 1.8em;
  }
}